Created
December 11, 2015 07:37
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Bulk update example in ActiveRecord Rails
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| new_values = { 10 => "test1", 20 => "test2" } | |
| value = new_values.map { |product_id, value| "(#{product_id}, #{value})" }.join(",") | |
| ActiveRecord::Base.connection.execute(%( | |
| UPDATE products AS p SET value = v.value | |
| FROM (values #{values}) AS v(id, value) | |
| WHERE p.id = v.id | |
| )) |
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Great code! But I think the variable on line 2 should be "values" and not "value".